inventory.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ACCESS_INVENTORY_H
#define ACCESS_INVENTORY_H

#include "common/scummsys.h"
#include "common/array.h"
#include "common/rect.h"
#include "common/str-array.h"
#include "access/data.h"
#include "access/asurface.h"

namespace Access {

enum ItemState {
    ITEM_NOT_FOUND = 0, ITEM_IN_INVENTORY = 1, ITEM_USED = 2
};

class InventoryEntry {
public:
    Common::String _name;
    int _value;

    int _otherItem1;
    int _newItem1;
    int _otherItem2;
    int _newItem2;

    void load(const Common::String &name, const int *data);

    int checkItem(int itemId) const;
};

class InventoryManager : public Manager {
    struct SavedFields {
        int _vWindowHeight;
        int _vWindowLinesTall;
        int _vWindowWidth;
        int _vWindowBytesWide;
        int _playFieldHeight;
        int _playFieldWidth;
        int _windowXAdd;
        int _windowYAdd;
        int _screenYOff;
        int _scrollX;
        int _scrollY;
        int _clipWidth;
        int _clipHeight;
        Common::Point _bufferStart;
        int _scrollCol;
        int _scrollRow;

        SavedFields();
    };
private:
    Common::Array<Common::Rect> _invCoords;
    ASurface _savedBuffer1;
    ASurface _savedScreen;
    SavedFields _fields;
    bool _iconDisplayFlag;
    Common::Array<int> _tempLPtr;
    Common::StringArray _tempLOff;
    int _boxNum;

    int coordIndexOf() const;

    void outlineIcon(int itemIndex);

    void combineItems();

    void zoomIcon(int zoomItem, int backItem, int zoomBox, bool shrink);

    void putInvIcon(int itemIndex, int itemId);

protected:
    void initFields();
    void getList();
    void saveScreens();
    void savedFields();
    void showAllItems();
    void restoreFields();
    void chooseItem();
    void freeInvCells();
    void restoreScreens();

    Common::Array<int> _items;

public:
    Common::Array<InventoryEntry> _inv;
    int _startInvItem;
    int _startInvBox;
    bool _invChangeFlag;
    bool _invRefreshFlag;
    bool _invModeFlag;

public:
    InventoryManager(AccessEngine *vm);

    virtual ~InventoryManager() {};

    int &operator[](int idx);

    int useItem() const;
    void setUseItem(int itemId);

    void refreshInventory();

    virtual int displayInv() = 0;

    void synchronize(Common::Serializer &s);
};

} // End of namespace Access

#endif /* ACCESS_INVENTORY_H */